The Greek letter designation conveys information about a star's location and brightness
a. True
b. False
Indicate whether the statement is true or false
True
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Stalagmites are
a. Rocks solidified from molten material below ground. b. Consolidated sediment deposited in layers. c. Dripstone formations that form on cavern floors. d. Dripstone formations that form on cavern ceilings.
Name the color hues found in the spectrum of white light
In Galileo's thought experiment about rolling balls, Galileo argued that:
a. a ball rolling up the tilted surface speeds up. b. a ball rolling down the tilted surface slows down. c. a ball rolling on a level surface speeds up. d. a ball rolling on a the level surface continues at the same speed. e. a ball rolling on a level surface slows down.
A boat at anchor is rocked by waves whose crests are 40 m apart and with wave speed 10 m/s. These waves reach the boat once every
A) 400 s. B) 30 s. C) 4 s. D) 0.25 s.